Results 11 to 20 of about 29,540 (215)

Effect of constrained sintering on the piezoelectric properties of PZT thick films [PDF]

open access: yes, 2012
This thesis concerns the processing of thick lead zirconate titanate (PZT) films integrated with rigid substrates. The aim was to better understand the evolution of the microstructure, stress, and electrical properties of the films under constrained ...
Tillman, Mark
core   +7 more sources

The Fabrication and Characterization of Piezoelectric PZT/PVDF Electrospun Nanofiber Composites

open access: yesNanomaterials and Nanotechnology, 2016
Piezoelectric nanofiber composites of polyvinylidene fluoride (PVDF) polymer and PZT (Pb(Zr0.53Ti0.47)O3) ceramics were fabricated by electrospinning. The micro‐ structure of the PZT/PVDF electrospun nanofiber compo‐ sites was characterized using X-ray ...
Ji Sun Yun   +6 more
doaj   +2 more sources

Stress analysis, dielectric, piezoelectric, and ferroelectric properties of PZT thick films. Fabrication of a 50MHz Tm-pMUT annular array [PDF]

open access: yes, 2007
PZT films up to 35 μm thick were fabricated, using a composite sol gel route combining a PZT powder and a PZT sol. The maximum temperature for the process was 710°C.
Dauchy, Florent
core   +7 more sources

Critical temperature below the Curie temperature of ferroelectric ceramics PZT

open access: yesJournal of Advanced Dielectrics, 2021
The article presents the results of research the pre-transitional features of the behavior of solid solutions based on lead zirconate-titanate. The presence of a “special” critical temperature Td on the temperature dependences of the permittivity 𝜀(T ...
D. V. Kuzenko
doaj   +1 more source

Study of Mechanical Properties and Thermal Conduction of Polymer/Ceramic Nanocomposites [PDF]

open access: yesمجلة جامعة الانبار للعلوم الصرفة, 2020
A composite materials were prepared using a polymeric blend of epoxy resin and unsaturated polyester as a matrix material, and using a nanoceramic powder Lead Zirconium Titanate as a reinforcement material in different adding ratios( 2wt % & 6wt ...
Ahmad AL - Falahi
doaj   +1 more source

PEROVSKITES AND OTHER FRAMEWORK STRUCTURE CRYSTALLINE MATERIALS (BOOK' FIRST PAGES AND PREFACE)

open access: yesMaterials and Devices, 2021
Perovskites are among the most famous materials due to their exceptional properties: they present nearly all existing types of interesting properties, in particular as ferroics or multiferroics, they may be insulators, (super)conductors, or ...
Saint-Grégoire P., Smirnov M.
doaj   +1 more source

Maximizing the Value of Decay Rate for a Vibrated Beam [PDF]

open access: yesEngineering and Technology Journal, 2018
This paper presents design controllers by using control strategies and (LMI) in order to attenuate the vibrations of a beam. An Aluminum beam with fixed-fixed configuration was chosen as an application example of (AVC) of structure.
Sherko Ibrahem, Tahseen Othman
doaj   +1 more source

Piezoelectric Actuators for Tactile and Elasticity Sensing

open access: yesActuators, 2020
Piezoelectric actuators have achieved remarkable progress in many fields, being able to generate forces or displacements to perform scanning, tuning, manipulating, tactile sensing or delivering functions.
Javier Toledo   +3 more
doaj   +1 more source

Derivation of losses from impedance spectrum for contour modes of ceramic resonator

open access: yesJournal of Asian Ceramic Societies, 2020
Method of loss coefficients calculation from mechanical quality factors of transversal vibration modes is presented. Theoretical formulae are derived for the contour mode of thin square plate and width extensional mode of a thin rectangular plate ...
Jiří Erhart   +3 more
doaj   +1 more source

Development of Cutting Device with Enlargement Mechanism of Displacement

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2008
A new cutting device driven by an enlargement mechanism with a PZT drive has been developed to realize positioning the cutting tool from nm to mm. In this study, the mechanical principal of a newly developed enlargement mechanism consisting of fluid ...
Yoshitaka MORIMOTO   +3 more
doaj   +1 more source

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